import React from "react";
const list = [];
for (let i = 0; i < 10000; i++) {
  list.push(i);
}
// 408 / 155
// 500 / 165
const NullContainer = (props) => {
  return (
    <div>
      {list.map((num) => {
        return (
          <div key={num}>
            <div>{num}</div>
            {/* {props.isSelect && <div>1----</div>}
            {props.isSelect && <div>1----</div>}
            {props.isSelect && <div>1----</div>} */}
            {props.isSelect ? <div>1----</div> : null}
            {props.isSelect ? <div>1----</div> : null}
            {props.isSelect ? <div>1----</div> : null}
          </div>
        );
      })}
    </div>
  );
};
export default NullContainer;
